package com.itheima.controller;/*
 *      .--,       .--,
 *     ( (  \.---./  ) )
 *     '.__/o   o\__.'
 *        {=  ^  =}
 *         >  -  <
 *        /       \
 *       //       \\
 *      //|   .   |\\
 *      "'\       /'"_.-~^`'-.
 *         \  _  /--'         `
 *       ___)( )(___
 *      (((__) (__)))    高山仰止,景行行止.虽不能至,心向往之。
 *
 * @author JiaoDaoNiu
 * @create 2022-09-24-14:47
 */

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.common.R;
import com.itheima.entity.Category;
import com.itheima.service.impl.CategoryServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryServiceImpl categoryService;

    /**
     * 新增分类
     *
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category) {
        log.info("category{}", category);
        boolean flag = categoryService.save(category);
        if (!flag) {
            return R.error("新增分类失败");
        }
        return R.success("新增分类成功");

    }


    /**
     * 修改套餐或者菜品分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info(category.toString());
        LambdaQueryWrapper<Category> lqw=new LambdaQueryWrapper<>();
        lqw.eq(Category::getId,category.getId());
        categoryService.update(category,lqw);
        return R.success("修改成功");

    }



    /**
     * 分页查询
     *
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize) {
        //分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //添加排序条件，根据sort进行排序
        lqw.orderByAsc(Category::getSort);

        //分页查询
        categoryService.page(pageInfo, lqw);
        return R.success(pageInfo);
    }


    /**
     * 根据id删除分类
     *
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> remove(Long id) {
        log.info("删除分类，id为{}", id);
//        boolean flag = categoryService.removeById(id);
        categoryService.remove(id);
     /*   if(!flag){
            return R.error("分类信息删除失败");
        }*/
        return R.success("分类信息删除成功");
    }

    /**
     * 根据条件查询分类数据
     *
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category) {
        //条件构造器
        LambdaQueryWrapper<Category> lqw=new LambdaQueryWrapper<>();
        //添加条件
        lqw.eq(category.getType()!=null,Category::getType,category.getType());
        //添加排序条件
        lqw.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> categoryList = categoryService.list(lqw);
        return R.success(categoryList);
    }


}
